ROCHESTER 7045562 Quadrajet Choke Amj 455/800CFM/ELECT Choke/amj

( Brand: Rochester ), ( Manufacturer Part Number: 7045562 ), ( Fitment Type: Performance/custom ), ( Items Included: Gasket ), ( Mounting Hardware Included: No ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Choke Type: Electric Choke ), ( Type: Quadrajet ), ( Mounting Flange Type: Spread Bore ), ( Manufacturer Warranty: No Warranty ), ( Country/region Of Manufacture: United States )

Review ROCHESTER Quadrajet Pontiac 455/800cfm/elect Choke/amj fits 455 1975

The Rochester 7045562 Quadrajet carburetor is a high-performance replacement option for 1975 Pontiac vehicles equipped with the 455 cubic inch engine. This carburetor is specifically designed to deliver optimal fuel flow and air-fuel mixture for improved engine performance, responsiveness, and overall driving experience.

The Quadrajet 7045562 is an 800 CFM (cubic feet per minute) carburetor, which makes it an excellent choice for larger engines that require more fuel and air for efficient combustion. It is electronically controlled with an electric choke system, ensuring a smooth and hassle-free starting process.

1. Eight throttle bodies, each with its own metering rod and jet, allowing for precise fuel metering and air-fuel mixture control.

2. Accelerator pump, which provides additional fuel during rapid acceleration, ensuring smooth power delivery.

3. Power valve, which regulates fuel flow during deceleration and idle conditions to maintain consistent engine performance.

4. Emission control features, such as secondary air injection and evaporative emission control, to meet emissions standards.

5. A durable cast aluminum construction that is resistant to corrosion and wear.

By installing a Rochester 7045562 Quadrajet carburetor in your 1975 Pontiac with a 455 cubic inch engine, you can expect to experience improved throttle response, enhanced power output, and a more responsive driving experience. This carburetor is also backed by the reputable ROUSH-Performance brand and is compatible with AMJ intake manifolds, making it a reliable and effective upgrade for your classic Pontiac.

The Rochester Quadrajet carburetor, model 7045562, is a popular choice for restoring or modifying 1975 Pontiac 455 engines. This carburetor comes with several features that make it an attractive option, but it also has some potential drawbacks. Let's discuss the pros and cons to help you make an informed decision.

1. High CFM (Cubic Feet per Minute) Rating: With an 800 CFM rating, this carburetor provides an ample fuel mixture for high-performance applications.

2. Electronic Choke: The electronic choke system ensures quick and reliable starting in all temperatures, reducing the hassle and time required for cold starts.

3. Quadrajet Design: The Quadrajet design, with its four barrels, offers excellent idle stability and smooth power delivery across the entire RPM range.

4. AMJ Kit: The carburetor comes with an Accelerator Meter Jet (AMJ) kit, allowing for fine-tuning of the carburetor for optimal performance.

1. Complexity: Quadrajet carburetors are known for their complexity compared to single or double barrel carburetors. This can lead to more difficulty in setup, diagnosis, and maintenance.

2. Cost: The price of a Quadrajet carburetor, especially a high-performance version like this one, can be higher than that of a standard carburetor.

3. Fuel Economy: The high CFM rating and complex design of the Quadrajet carburetor can negatively impact fuel economy, making it less efficient than some other options.

In conclusion, the Rochester Quadrajet carburetor, model 7045562, offers several advantages for those looking to enhance the performance of a 1975 Pontiac 455 engine. Its high CFM rating, electronic choke, and Quadrajet design provide excellent power delivery and reliability. However, its complexity, cost, and potential impact on fuel economy are factors to consider before making a purchase.

If you are primarily concerned with performance and reliability, the Rochester Quadrajet carburetor may be the right choice for you. However, if you prioritize ease of use, affordability, or fuel efficiency, you may want to consider other options. Ultimately, your decision will depend on your specific needs and priorities.

Details:

Primary jet rod. Plenty of room for one inch complete foam surround protection. Factory air horn AMJ adjustable main jet sealed plug carefully removed and replaced with a easily cover boot. This eliminates any vacuum leaks/erratic idle due to wear.

POE holes for richer initial shot of fuel. This allows easy access to the interior AMJ, which can now be turned make on fly adjustments part throttle air fuel ratio. New stainless steel screws and Lactate on assembly. Secondary rod DP Hanger L.

Condition is Remanufactured. Very nice tuner mod. Includes air cleaner gaskets No base plate gasket included. Primary throttle shaft bushings replaced with Elite bronze 5/8 oversized replacements.

D idle mixture holes to allow for a wider range of air/fuel ratio adjustment. Primary and secondary fuel well plugs tested sealed with 2K epoxy oven cured. Modified idle, part throttle and full for performance. 800 cfm plus bump core.

Perfect choice for a difficult/failing divorced or hot air set-up.allow this to be used on any application.rebuilt with high quality kit including float. Pontiac factory half hidden P.O.E. Accelerator shooter holes slightly and tested for two fast solid streams accelerator pump duration linkage modified quick change version. Rochester Quadrajet 7045562 Pontiac 455 engine.

Painted with high temp gloss silver paint for appearance and oil resistance oven cured T/A Fire bird Tramp Stamp tattoo Baddie. Secondary air flaps allow instant fuel spray from the secondary pull over shooter holes. Make it richer/leaner from the exterior of quadrajet. Shipped by USPS PRIORITY MAIL in their large box.

Rare Altitude compensation bellows Android AMJ adjustable main jet version. Very smooth throttle pivot motion. Idle air bypass added to base plate eliminates nozzle drip due engine performance modification. Fully disassembled.

Better tell her to hold ON. Tested/polished/painted primary and secondary choke dash pots both set perfectly. Secondary fuel well restrict holes for faster refill.

part #: 7045562 prices

• $110.00-$850.00

specifications carbcoon:

• for makes: Pontiac, Rochester
• for years: 1975
• brand: Rochester
• mpn: 7045562
• fitment type: Performance/custom
• items included: Gasket
• mounting hardware included: No
• material: Aluminum
• vintage part: Yes
• placement on vehicle: Front
• choke type: Electric Choke
• type: Quadrajet
• mounting flange type: Spread Bore
• manufacturer warranty: No Warranty
• country/region of manufacture: United States

payments carbcoon:

• credit card: Visa
• wallet: Paypal
• other

shipping carbcoon:

• carrier: USPS
• class: Expedited
• type: Fixed
• service: USPS Priority Mail
• transit: 5-10 Days
• cost: $30.00

seller carbcoon:

• # reviews: 646
• rating: 100.0%
• city: Rosedale, New York

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: Remanufactured

offer carbcoon:

• quantity: 1
• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: May 11, 2025
• sold: 0

returns carbcoon:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

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